[wxWidgets.git] / samples / menu / menu.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        samples/menu.cpp
// Purpose:     wxMenu/wxMenuBar sample
// Author:      Vadim Zeitlin
// Modified by:
// Created:     01.11.99
// RCS-ID:      $Id$
// Copyright:   (c) 1999 Vadim Zeitlin
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

// ============================================================================
// declarations
// ============================================================================

// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------

// For compilers that support precompilation, includes "wx/wx.h".
#include <wx/wxprec.h>

#ifdef __BORLANDC__
    #pragma hdrstop
#endif

#ifndef WX_PRECOMP
    #include <wx/wx.h>

    #include <wx/log.h>
#endif

// ----------------------------------------------------------------------------
// classes
// ----------------------------------------------------------------------------

// Define a new application
class MyApp: public wxApp
{
public:
    bool OnInit();
};

// Define a new frame
class MyFrame: public wxFrame
{
public:
    MyFrame();

    virtual ~MyFrame();

    void LogMenuEvent(const wxCommandEvent& event);

    void OnQuit(wxCommandEvent& event);
    void OnAbout(wxCommandEvent& event);

    void OnDummy(wxCommandEvent& event);

    void OnAppendMenuItem(wxCommandEvent& event);
    void OnAppendSubMenu(wxCommandEvent& event);
    void OnDeleteMenuItem(wxCommandEvent& event);
    void OnInsertMenuItem(wxCommandEvent& event);
    void OnCheckMenuItem(wxCommandEvent& event);
    void OnEnableMenuItem(wxCommandEvent& event);
    void OnGetLabelMenuItem(wxCommandEvent& event);
    void OnSetLabelMenuItem(wxCommandEvent& event);
    void OnGetMenuItemInfo(wxCommandEvent& event);

    void OnAppendMenu(wxCommandEvent& event);
    void OnInsertMenu(wxCommandEvent& event);
    void OnDeleteMenu(wxCommandEvent& event);
    void OnToggleMenu(wxCommandEvent& event);
    void OnEnableMenu(wxCommandEvent& event);
    void OnGetLabelMenu(wxCommandEvent& event);
    void OnSetLabelMenu(wxCommandEvent& event);

    void OnRightDown(wxMouseEvent& event);

    void OnUpdateCheckMenuItemUI(wxUpdateUIEvent& event);

private:
    wxMenu *CreateDummyMenu(wxString *title);

    wxMenuItem *GetLastMenuItem() const;

    wxMenu     *m_menu;

    size_t m_countDummy;

    DECLARE_EVENT_TABLE()
};

// A small helper class which intercepts all menu events and logs them
class MyEvtHandler : public wxEvtHandler
{
public:
    MyEvtHandler(MyFrame *frame) { m_frame = frame; }

    void OnMenuEvent(wxCommandEvent& event)
    {
        m_frame->LogMenuEvent(event);

        event.Skip();
    }

private:
    MyFrame *m_frame;

    DECLARE_EVENT_TABLE()
};

// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------

enum
{
    Menu_File_Quit = 100,

    Menu_MenuBar_Toggle = 200,
    Menu_MenuBar_Append,
    Menu_MenuBar_Insert,
    Menu_MenuBar_Delete,
    Menu_MenuBar_Enable,
    Menu_MenuBar_GetLabel,
    Menu_MenuBar_SetLabel,

    Menu_Menu_Append = 300,
    Menu_Menu_AppendSub,
    Menu_Menu_Insert,
    Menu_Menu_Delete,
    Menu_Menu_Enable,
    Menu_Menu_Check,
    Menu_Menu_GetLabel,
    Menu_Menu_SetLabel,
    Menu_Menu_GetInfo,

    Menu_Dummy_First = 400,
    Menu_Dummy_Second,
    Menu_Dummy_Third,
    Menu_Dummy_Fourth,
    Menu_Dummy_Last,

    Menu_Help_About = 1000,

    Menu_Popup_ToBeDeleted = 2000,
    Menu_Popup_ToBeGreyed,
    Menu_Popup_ToBeChecked,
    Menu_Popup_Submenu,

    Menu_Max
};

// ----------------------------------------------------------------------------
// event tables
// ----------------------------------------------------------------------------

BEGIN_EVENT_TABLE(MyFrame, wxFrame)
    EVT_MENU(Menu_File_Quit, MyFrame::OnQuit)

    EVT_MENU(Menu_Help_About, MyFrame::OnAbout)

    EVT_MENU(Menu_MenuBar_Toggle,   MyFrame::OnToggleMenu)
    EVT_MENU(Menu_MenuBar_Append,   MyFrame::OnAppendMenu)
    EVT_MENU(Menu_MenuBar_Insert,   MyFrame::OnInsertMenu)
    EVT_MENU(Menu_MenuBar_Delete,   MyFrame::OnDeleteMenu)
    EVT_MENU(Menu_MenuBar_Enable,   MyFrame::OnEnableMenu)
    EVT_MENU(Menu_MenuBar_GetLabel, MyFrame::OnGetLabelMenu)
    EVT_MENU(Menu_MenuBar_SetLabel, MyFrame::OnSetLabelMenu)

    EVT_MENU(Menu_Menu_Append,    MyFrame::OnAppendMenuItem)
    EVT_MENU(Menu_Menu_AppendSub, MyFrame::OnAppendSubMenu)
    EVT_MENU(Menu_Menu_Insert,    MyFrame::OnInsertMenuItem)
    EVT_MENU(Menu_Menu_Delete,    MyFrame::OnDeleteMenuItem)
    EVT_MENU(Menu_Menu_Enable,    MyFrame::OnEnableMenuItem)
    EVT_MENU(Menu_Menu_Check,     MyFrame::OnCheckMenuItem)
    EVT_MENU(Menu_Menu_GetLabel,  MyFrame::OnGetLabelMenuItem)
    EVT_MENU(Menu_Menu_SetLabel,  MyFrame::OnSetLabelMenuItem)
    EVT_MENU(Menu_Menu_GetInfo,   MyFrame::OnGetMenuItemInfo)

    EVT_MENU_RANGE(Menu_Dummy_First, Menu_Dummy_Last, MyFrame::OnDummy)

    EVT_UPDATE_UI(Menu_Menu_Check, MyFrame::OnUpdateCheckMenuItemUI)

    EVT_RIGHT_DOWN(MyFrame::OnRightDown)
END_EVENT_TABLE()

BEGIN_EVENT_TABLE(MyEvtHandler, wxEvtHandler)
    EVT_MENU(-1, MyEvtHandler::OnMenuEvent)
END_EVENT_TABLE()

// ============================================================================
// implementation
// ============================================================================

// ----------------------------------------------------------------------------
// MyApp
// ----------------------------------------------------------------------------

IMPLEMENT_APP(MyApp)

// The `main program' equivalent, creating the windows and returning the
// main frame
bool MyApp::OnInit()
{
    // Create the main frame window
    MyFrame* frame = new MyFrame;

    frame->Show(TRUE);

    frame->SetStatusText("Hello, wxWindows");

    SetTopWindow(frame);

    return TRUE;
}

// ----------------------------------------------------------------------------
// MyFrame
// ----------------------------------------------------------------------------

// Define my frame constructor
MyFrame::MyFrame()
       : wxFrame((wxFrame *)NULL, -1, "wxWindows menu sample",
                 wxDefaultPosition, wxSize(300, 200))
{
    m_menu = NULL;
    m_countDummy = 0;

    CreateStatusBar(2);

    // create the menubar
    wxMenu *fileMenu = new wxMenu;
    fileMenu->Append(Menu_File_Quit, "E&xit\tAlt-X", "Quit toolbar sample" );

    wxMenu *menubarMenu = new wxMenu;
    menubarMenu->Append(Menu_MenuBar_Append, "&Append menu\tCtrl-A",
                        "Append a menu to the menubar");
    menubarMenu->Append(Menu_MenuBar_Insert, "&Insert menu\tCtrl-I",
                        "Insert a menu into the menubar");
    menubarMenu->Append(Menu_MenuBar_Delete, "&Delete menu\tCtrl-D",
                        "Delete the last menu from the menubar");
    menubarMenu->Append(Menu_MenuBar_Toggle, "&Toggle menu\tCtrl-T",
                        "Toggle the first menu in the menubar", TRUE);
    menubarMenu->AppendSeparator();
    menubarMenu->Append(Menu_MenuBar_Enable, "&Enable menu\tCtrl-E",
                        "Enable or disable the last menu", TRUE);
    menubarMenu->AppendSeparator();
    menubarMenu->Append(Menu_MenuBar_GetLabel, "&Get menu label\tCtrl-G",
                        "Get the label of the last menu");
    menubarMenu->Append(Menu_MenuBar_SetLabel, "&Set menu label\tCtrl-S",
                        "Change the label of the last menu");

    wxMenu *menuMenu = new wxMenu;
    menuMenu->Append(Menu_Menu_Append, "&Append menu item\tAlt-A",
                     "Append a menu item to the last menu");
    menuMenu->Append(Menu_Menu_AppendSub, "&Append sub menu\tAlt-S",
                     "Append a sub menu to the last menu");
    menuMenu->Append(Menu_Menu_Insert, "&Insert menu item\tAlt-I",
                     "Insert a menu item in head of the last menu");
    menuMenu->Append(Menu_Menu_Delete, "&Delete menu item\tAlt-D",
                     "Delete the last menu item from the last menu");
    menuMenu->AppendSeparator();
    menuMenu->Append(Menu_Menu_Enable, "&Enable menu item\tAlt-E",
                     "Enable or disable the last menu item", TRUE);
    menuMenu->Append(Menu_Menu_Check, "&Check menu item\tAlt-C",
                     "Check or uncheck the last menu item", TRUE);
    menuMenu->AppendSeparator();
    menuMenu->Append(Menu_Menu_GetLabel, "&Get menu item label\tAlt-G",
                     "Get the label of the last menu item");
    menuMenu->Append(Menu_Menu_SetLabel, "&Set menu item label\tAlt-S",
                     "Change the label of the last menu item");
    menuMenu->AppendSeparator();
    menuMenu->Append(Menu_Menu_GetInfo, "Get menu item in&fo\tAlt-F",
                     "Show the state of the last menu item");

    wxMenu *helpMenu = new wxMenu;
    helpMenu->Append(Menu_Help_About, "&About\tF1", "About menu sample");

    wxMenuBar* menuBar = new wxMenuBar( wxMB_DOCKABLE );

    menuBar->Append(fileMenu, "&File");
    menuBar->Append(menubarMenu, "Menu&bar");
    menuBar->Append(menuMenu, "&Menu");
    menuBar->Append(helpMenu, "&Help");

    // these items should be initially checked
    menuBar->Check(Menu_MenuBar_Toggle, TRUE);
    menuBar->Check(Menu_MenuBar_Enable, TRUE);
    menuBar->Check(Menu_Menu_Enable, TRUE);
    menuBar->Check(Menu_Menu_Check, FALSE);

    // associate the menu bar with the frame
    SetMenuBar(menuBar);

    // intercept all menu events and log them in this custom event handler
    PushEventHandler(new MyEvtHandler(this));
}

MyFrame::~MyFrame()
{
    delete m_menu;

    // delete the event handler installed in ctor
    PopEventHandler(TRUE);
}

wxMenu *MyFrame::CreateDummyMenu(wxString *title)
{
    wxMenu *menu = new wxMenu;
    menu->Append(Menu_Dummy_First, "First item\tCtrl-F1");
    menu->AppendSeparator();
    menu->Append(Menu_Dummy_Second, "Second item\tCtrl-F2", "", TRUE);

    if ( title )
    {
        title->Printf("Dummy menu &%d", ++m_countDummy);
    }

    return menu;
}

wxMenuItem *MyFrame::GetLastMenuItem() const
{
    wxMenuBar *menubar = GetMenuBar();
    wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);

    wxMenuItemList::Node *node = menu->GetMenuItems().GetLast();
    if ( !node )
    {
        wxLogWarning("No last item in the last menu!");

        return NULL;
    }
    else
    {
        return node->GetData();
    }
}

void MyFrame::LogMenuEvent(const wxCommandEvent& event)
{
    int id = event.GetId();
    wxString msg = wxString::Format("Menu command %d", id);
    if ( GetMenuBar()->FindItem(id)->IsCheckable() )
    {
        msg += wxString::Format(" (the item is currently %schecked)",
                                event.IsChecked() ? "" : "not ");
    }

    SetStatusText(msg, 1);
}

// ----------------------------------------------------------------------------
// menu callbacks
// ----------------------------------------------------------------------------

void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
{
    Close(TRUE);
}

void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
{
    (void)wxMessageBox("wxWindows toolbar sample",
                       "About wxWindows menu sample",
                       wxICON_INFORMATION);
}

void MyFrame::OnDeleteMenu(wxCommandEvent& WXUNUSED(event))
{
    wxMenuBar *mbar = GetMenuBar();

    size_t count = mbar->GetMenuCount();
    if ( count == 2 )
    {
        // don't let delete the first 2 menus
        wxLogError("Can't delete any more menus");
    }
    else
    {
        delete mbar->Remove(count - 1);
    }
}

void MyFrame::OnInsertMenu(wxCommandEvent& WXUNUSED(event))
{
    wxString title;
    wxMenu *menu = CreateDummyMenu(&title);
    GetMenuBar()->Insert(0, menu, title);
}

void MyFrame::OnAppendMenu(wxCommandEvent& WXUNUSED(event))
{
    wxString title;
    wxMenu *menu = CreateDummyMenu(&title);
    GetMenuBar()->Append(menu, title);
}

void MyFrame::OnToggleMenu(wxCommandEvent& WXUNUSED(event))
{
    wxMenuBar *mbar = GetMenuBar();
    if ( !m_menu )
    {
        // hide the menu
        m_menu = mbar->Remove(0);
    }
    else
    {
        // restore it
        mbar->Insert(0, m_menu, "&File");
        m_menu = NULL;
    }
}

void MyFrame::OnEnableMenu(wxCommandEvent& WXUNUSED(event))
{
    wxMenuBar *mbar = GetMenuBar();
    size_t count = mbar->GetMenuCount();

    static bool s_enabled = TRUE;

    s_enabled = !s_enabled;
    mbar->EnableTop(count - 1, s_enabled);
}

void MyFrame::OnGetLabelMenu(wxCommandEvent& WXUNUSED(event))
{
    wxMenuBar *mbar = GetMenuBar();
    size_t count = mbar->GetMenuCount();

    wxLogMessage("The label of the last menu item is '%s'",
                 mbar->GetLabelTop(count - 1).c_str());
}

void MyFrame::OnSetLabelMenu(wxCommandEvent& WXUNUSED(event))
{
    wxMenuBar *mbar = GetMenuBar();
    size_t count = mbar->GetMenuCount();

    mbar->SetLabelTop(count - 1, "Dummy label &0");
}

void MyFrame::OnDummy(wxCommandEvent& event)
{
    wxString s;
    s.Printf("Dummy item #%d", event.GetId() - Menu_Dummy_First + 1);
    wxMessageBox(s, "Menu sample", wxICON_INFORMATION);
}

void MyFrame::OnAppendMenuItem(wxCommandEvent& WXUNUSED(event))
{
    wxMenuBar *menubar = GetMenuBar();
    wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);

    menu->AppendSeparator();
    menu->Append(Menu_Dummy_Third, "Third dummy item\tCtrl-F3",
                 "Checkable item", TRUE);
}

void MyFrame::OnAppendSubMenu(wxCommandEvent& WXUNUSED(event))
{
    wxMenuBar *menubar = GetMenuBar();

    wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);

    menu->Append(Menu_Dummy_Last, "Dummy sub menu",
                 CreateDummyMenu(NULL), "Dummy sub menu help");
}

void MyFrame::OnDeleteMenuItem(wxCommandEvent& WXUNUSED(event))
{
    wxMenuBar *menubar = GetMenuBar();
    wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);

    size_t count = menu->GetMenuItemCount();
    if ( !count )
    {
        wxLogWarning("No items to delete!");
    }
    else
    {
        menu->Destroy(menu->GetMenuItems().Item(count - 1)->GetData());
    }
}

void MyFrame::OnInsertMenuItem(wxCommandEvent& WXUNUSED(event))
{
    wxMenuBar *menubar = GetMenuBar();
    wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);

    menu->Insert(0, wxMenuItem::New(menu, Menu_Dummy_Fourth,
                                    "Fourth dummy item\tCtrl-F4"));
    menu->Insert(1, wxMenuItem::New(menu, wxID_SEPARATOR, ""));
}

void MyFrame::OnEnableMenuItem(wxCommandEvent& WXUNUSED(event))
{
    wxMenuItem *item = GetLastMenuItem();

    if ( item )
    {
        item->Enable(!item->IsEnabled());
    }
}

void MyFrame::OnCheckMenuItem(wxCommandEvent& WXUNUSED(event))
{
    wxMenuItem *item = GetLastMenuItem();

    item->Toggle();
}

void MyFrame::OnUpdateCheckMenuItemUI(wxUpdateUIEvent& event)
{
    wxLogNull nolog;

    wxMenuItem *item = GetLastMenuItem();

    event.Enable(item && item->IsCheckable());
}

void MyFrame::OnGetLabelMenuItem(wxCommandEvent& WXUNUSED(event))
{
    wxMenuItem *item = GetLastMenuItem();

    if ( item )
    {
        wxLogMessage("The label of the last menu item is '%s'",
                     item->GetLabel().c_str());
    }
}

void MyFrame::OnSetLabelMenuItem(wxCommandEvent& WXUNUSED(event))
{
    wxMenuItem *item = GetLastMenuItem();

    if ( item )
    {
        item->SetText("Dummy menu item text");
    }
}

void MyFrame::OnGetMenuItemInfo(wxCommandEvent& WXUNUSED(event))
{
    wxMenuItem *item = GetLastMenuItem();

    if ( item )
    {
        wxString msg;
        msg << "The item is " << (item->IsEnabled() ? "enabled"
                                                    : "disabled")
            << '\n';

        if ( item->IsCheckable() )
        {
            msg << "It is checkable and " << (item->IsChecked() ? "" : "un")
                << "checked\n";
        }

#if wxUSE_ACCEL
        wxAcceleratorEntry *accel = item->GetAccel();
        if ( accel )
        {
            msg << "Its accelerator is ";

            int flags = accel->GetFlags();
            if ( flags & wxACCEL_ALT )
                msg << wxT("Alt-");
            if ( flags & wxACCEL_CTRL )
                msg << wxT("Ctrl-");
            if ( flags & wxACCEL_SHIFT )
                msg << wxT("Shift-");

            int code = accel->GetKeyCode();
            switch ( code )
            {
                case WXK_F1:
                case WXK_F2:
                case WXK_F3:
                case WXK_F4:
                case WXK_F5:
                case WXK_F6:
                case WXK_F7:
                case WXK_F8:
                case WXK_F9:
                case WXK_F10:
                case WXK_F11:
                case WXK_F12:
                    msg << wxT('F') << code - WXK_F1 + 1;
                    break;

                // if there are any other keys wxGetAccelFromString() may return,
                // we should process them here

                default:
                    if ( wxIsalnum(code) )
                    {
                        msg << (wxChar)code;

                        break;
                    }

                    wxFAIL_MSG( wxT("unknown keyboard accel") );
            }

            delete accel;
        }
        else
        {
            msg << "It doesn't have an accelerator";
        }
#endif // wxUSE_ACCEL

        wxLogMessage(msg);
    }
}

void MyFrame::OnRightDown(wxMouseEvent &event )
{
    wxMenu menu("Test popup");

    menu.Append(Menu_Help_About, "&About");
    menu.Append(Menu_Popup_Submenu, "Submenu", CreateDummyMenu(NULL));
    menu.Append(Menu_Popup_ToBeDeleted, "To be deleted");
    menu.Append(Menu_Popup_ToBeChecked, "To be checked", "", TRUE);
    menu.Append(Menu_Popup_ToBeGreyed, "To be greyed");
    menu.AppendSeparator();
    menu.Append(Menu_File_Quit, "E&xit");

    menu.Delete(Menu_Popup_ToBeDeleted);
    menu.Check(Menu_Popup_ToBeChecked, TRUE);
    menu.Enable(Menu_Popup_ToBeGreyed, FALSE);

    PopupMenu( &menu, event.GetX(), event.GetY() );

    // test for destroying items in popup menus
#if 0
    menu.Destroy(Menu_Popup_Submenu);

    PopupMenu( &menu, event.GetX(), event.GetY() );
#endif // 0
}
Commit	Line	Data
717a57c2 VZ	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: samples/menu.cpp
	3	// Purpose: wxMenu/wxMenuBar sample
	4	// Author: Vadim Zeitlin
	5	// Modified by:
	6	// Created: 01.11.99
	7	// RCS-ID: $Id$
	8	// Copyright: (c) 1999 Vadim Zeitlin
	9	// Licence: wxWindows licence
	10	/////////////////////////////////////////////////////////////////////////////
	11
	12	// ============================================================================
	13	// declarations
	14	// ============================================================================
	15
	16	// ----------------------------------------------------------------------------
	17	// headers
	18	// ----------------------------------------------------------------------------
	19
	20	// For compilers that support precompilation, includes "wx/wx.h".
	21	#include <wx/wxprec.h>
	22
	23	#ifdef __BORLANDC__
	24	#pragma hdrstop
	25	#endif
	26
	27	#ifndef WX_PRECOMP
	28	#include <wx/wx.h>
	29
	30	#include <wx/log.h>
	31	#endif
	32
	33	// ----------------------------------------------------------------------------
	34	// classes
	35	// ----------------------------------------------------------------------------
	36
	37	// Define a new application
	38	class MyApp: public wxApp
	39	{
	40	public:
	41	bool OnInit();
	42	};
	43
	44	// Define a new frame
	45	class MyFrame: public wxFrame
	46	{
	47	public:
	48	MyFrame();
	49
3ca6a5f0 BP	50	virtual ~MyFrame();
	51
	52	void LogMenuEvent(const wxCommandEvent& event);
717a57c2 VZ	53
	54	void OnQuit(wxCommandEvent& event);
	55	void OnAbout(wxCommandEvent& event);
	56
	57	void OnDummy(wxCommandEvent& event);
	58
	59	void OnAppendMenuItem(wxCommandEvent& event);
	60	void OnAppendSubMenu(wxCommandEvent& event);
	61	void OnDeleteMenuItem(wxCommandEvent& event);
	62	void OnInsertMenuItem(wxCommandEvent& event);
	63	void OnCheckMenuItem(wxCommandEvent& event);
	64	void OnEnableMenuItem(wxCommandEvent& event);
	65	void OnGetLabelMenuItem(wxCommandEvent& event);
	66	void OnSetLabelMenuItem(wxCommandEvent& event);
a80c322c	67	void OnGetMenuItemInfo(wxCommandEvent& event);
717a57c2 VZ	68
717a57c2 VZ	69	void OnAppendMenu(wxCommandEvent& event);
f03ec224	70	void OnInsertMenu(wxCommandEvent& event);
717a57c2 VZ	71	void OnDeleteMenu(wxCommandEvent& event);
	72	void OnToggleMenu(wxCommandEvent& event);
	73	void OnEnableMenu(wxCommandEvent& event);
	74	void OnGetLabelMenu(wxCommandEvent& event);
	75	void OnSetLabelMenu(wxCommandEvent& event);
	76
	77	void OnRightDown(wxMouseEvent& event);
	78
	79	void OnUpdateCheckMenuItemUI(wxUpdateUIEvent& event);
	80
	81	private:
f03ec224	82	wxMenu CreateDummyMenu(wxString title);
717a57c2 VZ	83
	84	wxMenuItem *GetLastMenuItem() const;
	85
	86	wxMenu *m_menu;
	87
f03ec224 VZ	88	size_t m_countDummy;
f03ec224 VZ	89
717a57c2 VZ	90	DECLARE_EVENT_TABLE()
	91	};
	92
3ca6a5f0 BP	93	// A small helper class which intercepts all menu events and logs them
	94	class MyEvtHandler : public wxEvtHandler
	95	{
	96	public:
	97	MyEvtHandler(MyFrame *frame) { m_frame = frame; }
	98
	99	void OnMenuEvent(wxCommandEvent& event)
	100	{
	101	m_frame->LogMenuEvent(event);
	102
	103	event.Skip();
	104	}
	105
	106	private:
	107	MyFrame *m_frame;
	108
	109	DECLARE_EVENT_TABLE()
	110	};
	111
717a57c2 VZ	112	// ----------------------------------------------------------------------------
	113	// constants
	114	// ----------------------------------------------------------------------------
	115
	116	enum
	117	{
	118	Menu_File_Quit = 100,
	119
	120	Menu_MenuBar_Toggle = 200,
	121	Menu_MenuBar_Append,
f03ec224	122	Menu_MenuBar_Insert,
717a57c2 VZ	123	Menu_MenuBar_Delete,
	124	Menu_MenuBar_Enable,
	125	Menu_MenuBar_GetLabel,
	126	Menu_MenuBar_SetLabel,
	127
	128	Menu_Menu_Append = 300,
	129	Menu_Menu_AppendSub,
	130	Menu_Menu_Insert,
	131	Menu_Menu_Delete,
	132	Menu_Menu_Enable,
	133	Menu_Menu_Check,
	134	Menu_Menu_GetLabel,
	135	Menu_Menu_SetLabel,
a80c322c	136	Menu_Menu_GetInfo,
717a57c2 VZ	137
	138	Menu_Dummy_First = 400,
	139	Menu_Dummy_Second,
	140	Menu_Dummy_Third,
	141	Menu_Dummy_Fourth,
	142	Menu_Dummy_Last,
	143
	144	Menu_Help_About = 1000,
	145
	146	Menu_Popup_ToBeDeleted = 2000,
	147	Menu_Popup_ToBeGreyed,
	148	Menu_Popup_ToBeChecked,
	149	Menu_Popup_Submenu,
	150
	151	Menu_Max
	152	};
	153
	154	// ----------------------------------------------------------------------------
	155	// event tables
	156	// ----------------------------------------------------------------------------
	157
	158	BEGIN_EVENT_TABLE(MyFrame, wxFrame)
	159	EVT_MENU(Menu_File_Quit, MyFrame::OnQuit)
	160
	161	EVT_MENU(Menu_Help_About, MyFrame::OnAbout)
	162
	163	EVT_MENU(Menu_MenuBar_Toggle, MyFrame::OnToggleMenu)
	164	EVT_MENU(Menu_MenuBar_Append, MyFrame::OnAppendMenu)
f03ec224	165	EVT_MENU(Menu_MenuBar_Insert, MyFrame::OnInsertMenu)
717a57c2 VZ	166	EVT_MENU(Menu_MenuBar_Delete, MyFrame::OnDeleteMenu)
	167	EVT_MENU(Menu_MenuBar_Enable, MyFrame::OnEnableMenu)
	168	EVT_MENU(Menu_MenuBar_GetLabel, MyFrame::OnGetLabelMenu)
	169	EVT_MENU(Menu_MenuBar_SetLabel, MyFrame::OnSetLabelMenu)
	170
	171	EVT_MENU(Menu_Menu_Append, MyFrame::OnAppendMenuItem)
	172	EVT_MENU(Menu_Menu_AppendSub, MyFrame::OnAppendSubMenu)
	173	EVT_MENU(Menu_Menu_Insert, MyFrame::OnInsertMenuItem)
	174	EVT_MENU(Menu_Menu_Delete, MyFrame::OnDeleteMenuItem)
	175	EVT_MENU(Menu_Menu_Enable, MyFrame::OnEnableMenuItem)
a80c322c	176	EVT_MENU(Menu_Menu_Check, MyFrame::OnCheckMenuItem)
717a57c2 VZ	177	EVT_MENU(Menu_Menu_GetLabel, MyFrame::OnGetLabelMenuItem)
717a57c2 VZ	178	EVT_MENU(Menu_Menu_SetLabel, MyFrame::OnSetLabelMenuItem)
a80c322c	179	EVT_MENU(Menu_Menu_GetInfo, MyFrame::OnGetMenuItemInfo)
717a57c2 VZ	180
	181	EVT_MENU_RANGE(Menu_Dummy_First, Menu_Dummy_Last, MyFrame::OnDummy)
	182
	183	EVT_UPDATE_UI(Menu_Menu_Check, MyFrame::OnUpdateCheckMenuItemUI)
	184
	185	EVT_RIGHT_DOWN(MyFrame::OnRightDown)
	186	END_EVENT_TABLE()
	187
3ca6a5f0 BP	188	BEGIN_EVENT_TABLE(MyEvtHandler, wxEvtHandler)
	189	EVT_MENU(-1, MyEvtHandler::OnMenuEvent)
	190	END_EVENT_TABLE()
	191
717a57c2 VZ	192	// ============================================================================
	193	// implementation
	194	// ============================================================================
	195
	196	// ----------------------------------------------------------------------------
	197	// MyApp
	198	// ----------------------------------------------------------------------------
	199
	200	IMPLEMENT_APP(MyApp)
	201
	202	// The `main program' equivalent, creating the windows and returning the
	203	// main frame
	204	bool MyApp::OnInit()
	205	{
	206	// Create the main frame window
	207	MyFrame* frame = new MyFrame;
	208
	209	frame->Show(TRUE);
	210
	211	frame->SetStatusText("Hello, wxWindows");
	212
	213	SetTopWindow(frame);
	214
	215	return TRUE;
	216	}
	217
	218	// ----------------------------------------------------------------------------
	219	// MyFrame
	220	// ----------------------------------------------------------------------------
	221
	222	// Define my frame constructor
	223	MyFrame::MyFrame()
	224	: wxFrame((wxFrame *)NULL, -1, "wxWindows menu sample",
	225	wxDefaultPosition, wxSize(300, 200))
	226	{
	227	m_menu = NULL;
f03ec224	228	m_countDummy = 0;
717a57c2	229
3ca6a5f0	230	CreateStatusBar(2);
717a57c2 VZ	231
	232	// create the menubar
	233	wxMenu *fileMenu = new wxMenu;
	234	fileMenu->Append(Menu_File_Quit, "E&xit\tAlt-X", "Quit toolbar sample" );
	235
	236	wxMenu *menubarMenu = new wxMenu;
	237	menubarMenu->Append(Menu_MenuBar_Append, "&Append menu\tCtrl-A",
	238	"Append a menu to the menubar");
f03ec224 VZ	239	menubarMenu->Append(Menu_MenuBar_Insert, "&Insert menu\tCtrl-I",
f03ec224 VZ	240	"Insert a menu into the menubar");
717a57c2 VZ	241	menubarMenu->Append(Menu_MenuBar_Delete, "&Delete menu\tCtrl-D",
	242	"Delete the last menu from the menubar");
	243	menubarMenu->Append(Menu_MenuBar_Toggle, "&Toggle menu\tCtrl-T",
	244	"Toggle the first menu in the menubar", TRUE);
	245	menubarMenu->AppendSeparator();
	246	menubarMenu->Append(Menu_MenuBar_Enable, "&Enable menu\tCtrl-E",
	247	"Enable or disable the last menu", TRUE);
	248	menubarMenu->AppendSeparator();
	249	menubarMenu->Append(Menu_MenuBar_GetLabel, "&Get menu label\tCtrl-G",
	250	"Get the label of the last menu");
	251	menubarMenu->Append(Menu_MenuBar_SetLabel, "&Set menu label\tCtrl-S",
	252	"Change the label of the last menu");
	253
	254	wxMenu *menuMenu = new wxMenu;
	255	menuMenu->Append(Menu_Menu_Append, "&Append menu item\tAlt-A",
	256	"Append a menu item to the last menu");
	257	menuMenu->Append(Menu_Menu_AppendSub, "&Append sub menu\tAlt-S",
	258	"Append a sub menu to the last menu");
	259	menuMenu->Append(Menu_Menu_Insert, "&Insert menu item\tAlt-I",
	260	"Insert a menu item in head of the last menu");
	261	menuMenu->Append(Menu_Menu_Delete, "&Delete menu item\tAlt-D",
	262	"Delete the last menu item from the last menu");
	263	menuMenu->AppendSeparator();
	264	menuMenu->Append(Menu_Menu_Enable, "&Enable menu item\tAlt-E",
	265	"Enable or disable the last menu item", TRUE);
	266	menuMenu->Append(Menu_Menu_Check, "&Check menu item\tAlt-C",
	267	"Check or uncheck the last menu item", TRUE);
	268	menuMenu->AppendSeparator();
	269	menuMenu->Append(Menu_Menu_GetLabel, "&Get menu item label\tAlt-G",
	270	"Get the label of the last menu item");
	271	menuMenu->Append(Menu_Menu_SetLabel, "&Set menu item label\tAlt-S",
	272	"Change the label of the last menu item");
a80c322c VZ	273	menuMenu->AppendSeparator();
	274	menuMenu->Append(Menu_Menu_GetInfo, "Get menu item in&fo\tAlt-F",
	275	"Show the state of the last menu item");
717a57c2 VZ	276
	277	wxMenu *helpMenu = new wxMenu;
	278	helpMenu->Append(Menu_Help_About, "&About\tF1", "About menu sample");
	279
	280	wxMenuBar* menuBar = new wxMenuBar( wxMB_DOCKABLE );
	281
	282	menuBar->Append(fileMenu, "&File");
	283	menuBar->Append(menubarMenu, "Menu&bar");
	284	menuBar->Append(menuMenu, "&Menu");
	285	menuBar->Append(helpMenu, "&Help");
	286
	287	// these items should be initially checked
	288	menuBar->Check(Menu_MenuBar_Toggle, TRUE);
	289	menuBar->Check(Menu_MenuBar_Enable, TRUE);
	290	menuBar->Check(Menu_Menu_Enable, TRUE);
	291	menuBar->Check(Menu_Menu_Check, FALSE);
	292
	293	// associate the menu bar with the frame
	294	SetMenuBar(menuBar);
3ca6a5f0 BP	295
	296	// intercept all menu events and log them in this custom event handler
	297	PushEventHandler(new MyEvtHandler(this));
	298	}
	299
	300	MyFrame::~MyFrame()
	301	{
	302	delete m_menu;
	303
	304	// delete the event handler installed in ctor
	305	PopEventHandler(TRUE);
717a57c2 VZ	306	}
717a57c2 VZ	307
f03ec224	308	wxMenu MyFrame::CreateDummyMenu(wxString title)
717a57c2 VZ	309	{
	310	wxMenu *menu = new wxMenu;
	311	menu->Append(Menu_Dummy_First, "First item\tCtrl-F1");
	312	menu->AppendSeparator();
	313	menu->Append(Menu_Dummy_Second, "Second item\tCtrl-F2", "", TRUE);
	314
f03ec224 VZ	315	if ( title )
	316	{
	317	title->Printf("Dummy menu &%d", ++m_countDummy);
	318	}
	319
717a57c2 VZ	320	return menu;
	321	}
	322
	323	wxMenuItem *MyFrame::GetLastMenuItem() const
	324	{
	325	wxMenuBar *menubar = GetMenuBar();
	326	wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);
	327
	328	wxMenuItemList::Node *node = menu->GetMenuItems().GetLast();
	329	if ( !node )
	330	{
	331	wxLogWarning("No last item in the last menu!");
	332
	333	return NULL;
	334	}
	335	else
	336	{
	337	return node->GetData();
	338	}
	339	}
	340
3ca6a5f0 BP	341	void MyFrame::LogMenuEvent(const wxCommandEvent& event)
	342	{
	343	int id = event.GetId();
	344	wxString msg = wxString::Format("Menu command %d", id);
	345	if ( GetMenuBar()->FindItem(id)->IsCheckable() )
	346	{
	347	msg += wxString::Format(" (the item is currently %schecked)",
	348	event.IsChecked() ? "" : "not ");
	349	}
	350
	351	SetStatusText(msg, 1);
	352	}
	353
	354	// ----------------------------------------------------------------------------
	355	// menu callbacks
	356	// ----------------------------------------------------------------------------
	357
717a57c2 VZ	358	void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
	359	{
	360	Close(TRUE);
	361	}
	362
	363	void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
	364	{
	365	(void)wxMessageBox("wxWindows toolbar sample",
	366	"About wxWindows menu sample",
	367	wxICON_INFORMATION);
	368	}
	369
	370	void MyFrame::OnDeleteMenu(wxCommandEvent& WXUNUSED(event))
	371	{
	372	wxMenuBar *mbar = GetMenuBar();
	373
	374	size_t count = mbar->GetMenuCount();
	375	if ( count == 2 )
	376	{
	377	// don't let delete the first 2 menus
	378	wxLogError("Can't delete any more menus");
	379	}
	380	else
	381	{
	382	delete mbar->Remove(count - 1);
	383	}
	384	}
	385
f03ec224	386	void MyFrame::OnInsertMenu(wxCommandEvent& WXUNUSED(event))
717a57c2	387	{
717a57c2	388	wxString title;
f03ec224 VZ	389	wxMenu *menu = CreateDummyMenu(&title);
	390	GetMenuBar()->Insert(0, menu, title);
	391	}
717a57c2	392
f03ec224 VZ	393	void MyFrame::OnAppendMenu(wxCommandEvent& WXUNUSED(event))
	394	{
	395	wxString title;
	396	wxMenu *menu = CreateDummyMenu(&title);
	397	GetMenuBar()->Append(menu, title);
717a57c2 VZ	398	}
	399
	400	void MyFrame::OnToggleMenu(wxCommandEvent& WXUNUSED(event))
	401	{
	402	wxMenuBar *mbar = GetMenuBar();
	403	if ( !m_menu )
	404	{
	405	// hide the menu
	406	m_menu = mbar->Remove(0);
	407	}
	408	else
	409	{
	410	// restore it
	411	mbar->Insert(0, m_menu, "&File");
	412	m_menu = NULL;
	413	}
	414	}
	415
	416	void MyFrame::OnEnableMenu(wxCommandEvent& WXUNUSED(event))
	417	{
	418	wxMenuBar *mbar = GetMenuBar();
	419	size_t count = mbar->GetMenuCount();
	420
	421	static bool s_enabled = TRUE;
	422
	423	s_enabled = !s_enabled;
	424	mbar->EnableTop(count - 1, s_enabled);
	425	}
	426
	427	void MyFrame::OnGetLabelMenu(wxCommandEvent& WXUNUSED(event))
	428	{
	429	wxMenuBar *mbar = GetMenuBar();
	430	size_t count = mbar->GetMenuCount();
	431
	432	wxLogMessage("The label of the last menu item is '%s'",
1987af7e	433	mbar->GetLabelTop(count - 1).c_str());
717a57c2 VZ	434	}
	435
	436	void MyFrame::OnSetLabelMenu(wxCommandEvent& WXUNUSED(event))
	437	{
	438	wxMenuBar *mbar = GetMenuBar();
	439	size_t count = mbar->GetMenuCount();
	440
	441	mbar->SetLabelTop(count - 1, "Dummy label &0");
	442	}
	443
	444	void MyFrame::OnDummy(wxCommandEvent& event)
	445	{
	446	wxString s;
	447	s.Printf("Dummy item #%d", event.GetId() - Menu_Dummy_First + 1);
	448	wxMessageBox(s, "Menu sample", wxICON_INFORMATION);
	449	}
	450
	451	void MyFrame::OnAppendMenuItem(wxCommandEvent& WXUNUSED(event))
	452	{
	453	wxMenuBar *menubar = GetMenuBar();
	454	wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);
	455
	456	menu->AppendSeparator();
	457	menu->Append(Menu_Dummy_Third, "Third dummy item\tCtrl-F3",
	458	"Checkable item", TRUE);
	459	}
	460
	461	void MyFrame::OnAppendSubMenu(wxCommandEvent& WXUNUSED(event))
	462	{
	463	wxMenuBar *menubar = GetMenuBar();
f6bcfd97	464
717a57c2	465	wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);
f6bcfd97 BP	466
	467	menu->Append(Menu_Dummy_Last, "Dummy sub menu",
	468	CreateDummyMenu(NULL), "Dummy sub menu help");
717a57c2 VZ	469	}
	470
	471	void MyFrame::OnDeleteMenuItem(wxCommandEvent& WXUNUSED(event))
	472	{
	473	wxMenuBar *menubar = GetMenuBar();
	474	wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);
	475
	476	size_t count = menu->GetMenuItemCount();
	477	if ( !count )
	478	{
	479	wxLogWarning("No items to delete!");
	480	}
	481	else
	482	{
	483	menu->Destroy(menu->GetMenuItems().Item(count - 1)->GetData());
	484	}
	485	}
	486
	487	void MyFrame::OnInsertMenuItem(wxCommandEvent& WXUNUSED(event))
	488	{
	489	wxMenuBar *menubar = GetMenuBar();
	490	wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);
	491
	492	menu->Insert(0, wxMenuItem::New(menu, Menu_Dummy_Fourth,
	493	"Fourth dummy item\tCtrl-F4"));
	494	menu->Insert(1, wxMenuItem::New(menu, wxID_SEPARATOR, ""));
	495	}
	496
	497	void MyFrame::OnEnableMenuItem(wxCommandEvent& WXUNUSED(event))
	498	{
	499	wxMenuItem *item = GetLastMenuItem();
	500
	501	if ( item )
	502	{
	503	item->Enable(!item->IsEnabled());
	504	}
	505	}
	506
	507	void MyFrame::OnCheckMenuItem(wxCommandEvent& WXUNUSED(event))
	508	{
	509	wxMenuItem *item = GetLastMenuItem();
	510
	511	item->Toggle();
	512	}
	513
	514	void MyFrame::OnUpdateCheckMenuItemUI(wxUpdateUIEvent& event)
	515	{
32db328c VZ	516	wxLogNull nolog;
32db328c VZ	517
717a57c2 VZ	518	wxMenuItem *item = GetLastMenuItem();
	519
	520	event.Enable(item && item->IsCheckable());
	521	}
	522
	523	void MyFrame::OnGetLabelMenuItem(wxCommandEvent& WXUNUSED(event))
	524	{
	525	wxMenuItem *item = GetLastMenuItem();
	526
	527	if ( item )
	528	{
	529	wxLogMessage("The label of the last menu item is '%s'",
1987af7e	530	item->GetLabel().c_str());
717a57c2 VZ	531	}
	532	}
	533
	534	void MyFrame::OnSetLabelMenuItem(wxCommandEvent& WXUNUSED(event))
	535	{
	536	wxMenuItem *item = GetLastMenuItem();
	537
	538	if ( item )
	539	{
	540	item->SetText("Dummy menu item text");
	541	}
	542	}
	543
a80c322c VZ	544	void MyFrame::OnGetMenuItemInfo(wxCommandEvent& WXUNUSED(event))
	545	{
	546	wxMenuItem *item = GetLastMenuItem();
	547
	548	if ( item )
	549	{
	550	wxString msg;
	551	msg << "The item is " << (item->IsEnabled() ? "enabled"
	552	: "disabled")
	553	<< '\n';
f6bcfd97	554
a80c322c VZ	555	if ( item->IsCheckable() )
	556	{
	557	msg << "It is checkable and " << (item->IsChecked() ? "" : "un")
	558	<< "checked\n";
	559	}
	560
	561	#if wxUSE_ACCEL
	562	wxAcceleratorEntry *accel = item->GetAccel();
	563	if ( accel )
	564	{
	565	msg << "Its accelerator is ";
	566
	567	int flags = accel->GetFlags();
	568	if ( flags & wxACCEL_ALT )
	569	msg << wxT("Alt-");
	570	if ( flags & wxACCEL_CTRL )
	571	msg << wxT("Ctrl-");
	572	if ( flags & wxACCEL_SHIFT )
	573	msg << wxT("Shift-");
	574
	575	int code = accel->GetKeyCode();
	576	switch ( code )
	577	{
	578	case WXK_F1:
	579	case WXK_F2:
	580	case WXK_F3:
	581	case WXK_F4:
	582	case WXK_F5:
	583	case WXK_F6:
	584	case WXK_F7:
	585	case WXK_F8:
	586	case WXK_F9:
	587	case WXK_F10:
	588	case WXK_F11:
	589	case WXK_F12:
	590	msg << wxT('F') << code - WXK_F1 + 1;
	591	break;
	592
	593	// if there are any other keys wxGetAccelFromString() may return,
	594	// we should process them here
	595
	596	default:
	597	if ( wxIsalnum(code) )
	598	{
	599	msg << (wxChar)code;
	600
	601	break;
	602	}
	603
	604	wxFAIL_MSG( wxT("unknown keyboard accel") );
	605	}
	606
	607	delete accel;
	608	}
	609	else
	610	{
	611	msg << "It doesn't have an accelerator";
	612	}
	613	#endif // wxUSE_ACCEL
	614
	615	wxLogMessage(msg);
	616	}
	617	}
	618
717a57c2 VZ	619	void MyFrame::OnRightDown(wxMouseEvent &event )
	620	{
	621	wxMenu menu("Test popup");
	622
	623	menu.Append(Menu_Help_About, "&About");
f03ec224	624	menu.Append(Menu_Popup_Submenu, "Submenu", CreateDummyMenu(NULL));
717a57c2 VZ	625	menu.Append(Menu_Popup_ToBeDeleted, "To be deleted");
	626	menu.Append(Menu_Popup_ToBeChecked, "To be checked", "", TRUE);
	627	menu.Append(Menu_Popup_ToBeGreyed, "To be greyed");
	628	menu.AppendSeparator();
	629	menu.Append(Menu_File_Quit, "E&xit");
	630
f6bcfd97	631	menu.Delete(Menu_Popup_ToBeDeleted);
717a57c2 VZ	632	menu.Check(Menu_Popup_ToBeChecked, TRUE);
	633	menu.Enable(Menu_Popup_ToBeGreyed, FALSE);
	634
	635	PopupMenu( &menu, event.GetX(), event.GetY() );
f6bcfd97 BP	636
	637	// test for destroying items in popup menus
	638	#if 0
	639	menu.Destroy(Menu_Popup_Submenu);
	640
	641	PopupMenu( &menu, event.GetX(), event.GetY() );
	642	#endif // 0
717a57c2	643	}